GsonFactory.java

/*
 * Copyright 2014-2015 GameUp
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.gameup.android.json;

import com.google.gson.FieldNamingPolicy;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;

import lombok.AccessLevel;
import lombok.NoArgsConstructor;

/**
 * Helper class to manage a shared JSON serializer/deserializer.
 */
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class GsonFactory {

    /** Singleton instance. */
    private static final Gson GSON = new GsonBuilder()
            .enableComplexMapKeySerialization()
            .setFieldNamingPolicy(FieldNamingPolicy.LOWER_CASE_WITH_UNDERSCORES)
            .create();

    /**
     * Get a properly pre-configured, thread-safe JSON serializer/deserializer.
     *
     * @return A usable Gson instance.
     */
    public static Gson get() {
        return GSON;
    }

}